20861442

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 53433600

約数和(自身を除く): 32572158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 229, 241, 378, 458, 482, 687, 723, 1374, 1446, 1603, 1687, 2061, 2169, 3206, 3374, 4122, 4338, 4809, 5061, 6183, 6507, 9618, 10122, 12366, 13014, 14427, 15183, 28854, 30366, 43281, 45549, 55189, 86562, 91098, 110378, 165567, 331134, 386323, 496701, 772646, 993402, 1158969, 1490103, 2317938, 2980206, 3476907, 6953814, 10430721, 20861442]

約数ペア:

[(1, 20861442), (2, 10430721), (3, 6953814), (6, 3476907), (7, 2980206), (9, 2317938), (14, 1490103), (18, 1158969), (21, 993402), (27, 772646), (42, 496701), (54, 386323), (63, 331134), (126, 165567), (189, 110378), (229, 91098), (241, 86562), (378, 55189), (458, 45549), (482, 43281), (687, 30366), (723, 28854), (1374, 15183), (1446, 14427), (1603, 13014), (1687, 12366), (2061, 10122), (2169, 9618), (3206, 6507), (3374, 6183), (4122, 5061), (4338, 4809)]